Home / 127,887,275.40-191,830,913.10-89,592,030.60

Finding the Fourth Proportional to 127,887,275.40, 191,830,913.10 and 89,592,030.60

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Solution

The fourth proportional to 127,887,275.40, 191,830,913.10 and 89,592,030.60 is: 134,388,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,887,275.40 : 191,830,913.10 = 89,592,030.60 : x
  2. Step 2: Convert to fraction form
    127,887,275.40/191,830,913.10 = 89,592,030.60/x
  3. Step 3: Cross multiply
    127,887,275.40x = 191,830,913.10 × 89,592,030.60
  4. Step 4: Simplify right side
    127,887,275.40x = 17,186,521,036,481,140
  5. Step 5: Solve for x
    x = 17,186,521,036,481,140/127,887,275.40
  6. Step 6: Final answer
    x = 134,388,045.90

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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.