Home / 287,658,151.57-431,495,266.59-93,569,567.49

Finding the Fourth Proportional to 287,658,151.57, 431,495,266.59 and 93,569,567.49

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Solution

The fourth proportional to 287,658,151.57, 431,495,266.59 and 93,569,567.49 is: 140,356,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,658,151.57 : 431,495,266.59 = 93,569,567.49 : x
  2. Step 2: Convert to fraction form
    287,658,151.57/431,495,266.59 = 93,569,567.49/x
  3. Step 3: Cross multiply
    287,658,151.57x = 431,495,266.59 × 93,569,567.49
  4. Step 4: Simplify right side
    287,658,151.57x = 40,374,825,468,808,544
  5. Step 5: Solve for x
    x = 40,374,825,468,808,544/287,658,151.57
  6. Step 6: Final answer
    x = 140,356,966.24

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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.