Home / 142,164,746.84-213,255,097.14-39,920,812.76

Finding the Fourth Proportional to 142,164,746.84, 213,255,097.14 and 39,920,812.76

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Solution

The fourth proportional to 142,164,746.84, 213,255,097.14 and 39,920,812.76 is: 59,883,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,746.84 : 213,255,097.14 = 39,920,812.76 : x
  2. Step 2: Convert to fraction form
    142,164,746.84/213,255,097.14 = 39,920,812.76/x
  3. Step 3: Cross multiply
    142,164,746.84x = 213,255,097.14 × 39,920,812.76
  4. Step 4: Simplify right side
    142,164,746.84x = 8,513,316,803,041,550
  5. Step 5: Solve for x
    x = 8,513,316,803,041,550/142,164,746.84
  6. Step 6: Final answer
    x = 59,883,459.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.