Home / 256,406,303.59-353,841,011.63-138,931,541.17

Finding the Fourth Proportional to 256,406,303.59, 353,841,011.63 and 138,931,541.17

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Solution

The fourth proportional to 256,406,303.59, 353,841,011.63 and 138,931,541.17 is: 191,725,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,406,303.59 : 353,841,011.63 = 138,931,541.17 : x
  2. Step 2: Convert to fraction form
    256,406,303.59/353,841,011.63 = 138,931,541.17/x
  3. Step 3: Cross multiply
    256,406,303.59x = 353,841,011.63 × 138,931,541.17
  4. Step 4: Simplify right side
    256,406,303.59x = 49,159,677,074,907,792
  5. Step 5: Solve for x
    x = 49,159,677,074,907,792/256,406,303.59
  6. Step 6: Final answer
    x = 191,725,696.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.